from math_way import *
def calculate_total():
    # Your calculations here
    step1 = add(10, 5)
    step2 = multiply(step1, 2)
    step3 = subtract(step2, 8)
    return step3

def main():
    result = calculate_total()
    print(f"calculate_total()={result}")

if __name__ == "__main__":
    main()